Father Thomas Keating
Thomas Keating, O.C.S.O. (March 7, 1923 – October 25, 2018) was an American Catholic monk and priest of the Order of Cistercians of the Strict Observance (also known as Trappists). Keating was known as one of the principal developers of Centering Prayer, a contemporary method of contemplative prayer that emerged from St. Joseph's Abbey, Spencer, Massachusetts.